Where To Stream The Big Bang Theory Season 8 Episode 6
The Expedition Approximation
- Aired October 20, 2014
- 30 Min
- Rated 7.1
- Number 198 Of 279 Rated Episodes
Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel. Meanwhile, Leonard and Penny seek advice from Wolowitz and Bernadette after they fight about money.